Such resolutions shall not be adopted if there is a county housing authority created for any such additional county which has any obligations outstanding unless (a) all obligees of such county housing authority and parties to the contracts, bonds, notes and other obligations of any such authority consent in writing to the substitution of such regional housing authority in lieu of such county housing authority on all such contracts, bonds, notes or other obligations and (b) the commissioners of such county housing authority adopt a resolution consenting to the transfer of all the rights, contracts, obligations and property, real and personal, of such county housing authority to such regional housing authority as herein provided.